Groesbeck rhymes with:
baalbek, baalbeq, bubeck, colbeck, habeck, hardebeck, herbeck, irlbeck, jakubek, jarzombek, kennebeck, kleubeck, kolbeck, lebeck, lindbeck, norbeck, oberbeck, rebeck, rezabek, rodenbeck, schlotterbeck, sperbeck, storbeck, strebeck, torbeck, uzbek, verbeck
Groesbeck sounds like:
grachev's, grasps, griesbach, grosbeak, grosbeaks, grzybowski, gyroscopes, gyroscopic